var navTimeout = null;
var menu = null;
function showMenu(link, menuDiv){	
	clearTimeout(navTimeout);			
	if(link != null){
		var offset = (BrowserDetect.browser=="Safari")?0:6;
		menuDiv.style.top = (getElementTop(link) + getElementHeight(link) + offset) + "px";
		menuDiv.style.left = (getElementLeft(link) - 205/2 + getElementWidth(link)/2) + "px";
	}
	menu = menuDiv;
	if(menuDiv.id == "firstContainer"){		
		document.getElementById("secondContainer").style.display = "none";
		document.getElementById("thirdContainer").style.display = "none";
		document.getElementById("fourthContainer").style.display = "none";
		document.getElementById("fifthContainer").style.display = "none";
	}else if(menuDiv.id == "secondContainer"){
		document.getElementById("firstContainer").style.display = "none";
		document.getElementById("thirdContainer").style.display = "none";
		document.getElementById("fourthContainer").style.display = "none";
		document.getElementById("fifthContainer").style.display = "none";
	}else if(menuDiv.id == "thirdContainer"){
		document.getElementById("firstContainer").style.display = "none";
		document.getElementById("secondContainer").style.display = "none";
		document.getElementById("fourthContainer").style.display = "none";
		document.getElementById("fifthContainer").style.display = "none";
	}else if(menuDiv.id == "fourthContainer"){
		document.getElementById("firstContainer").style.display = "none";
		document.getElementById("thirdContainer").style.display = "none";
		document.getElementById("secondContainer").style.display = "none";
		document.getElementById("fifthContainer").style.display = "none";
	}else{
		document.getElementById("firstContainer").style.display = "none";
		document.getElementById("thirdContainer").style.display = "none";
		document.getElementById("fourthContainer").style.display = "none";
		document.getElementById("secondContainer").style.display = "none";
	}
	menuDiv.style.display = 'block';
}

function hideMenu(){	
	menu.style.display = "none";
}